Home / 1,237,605.40-1,856,148.90-606,971.80

Finding the Fourth Proportional to 1,237,605.40, 1,856,148.90 and 606,971.80

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Solution

The fourth proportional to 1,237,605.40, 1,856,148.90 and 606,971.80 is: 910,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,605.40 : 1,856,148.90 = 606,971.80 : x
  2. Step 2: Convert to fraction form
    1,237,605.40/1,856,148.90 = 606,971.80/x
  3. Step 3: Cross multiply
    1,237,605.40x = 1,856,148.90 × 606,971.80
  4. Step 4: Simplify right side
    1,237,605.40x = 1,126,630,038,901.02
  5. Step 5: Solve for x
    x = 1,126,630,038,901.02/1,237,605.40
  6. Step 6: Final answer
    x = 910,330.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.